/**
 * Copyright (c) 2015-2019, Golly Hu 胡高 (3722711@qq.com).
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */
package cn.hg.jbsa.admin.directive;

import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.jfinal.kit.StrKit;
import com.jfinal.plugin.activerecord.sql.JbsaDirectiveBase;
import com.jfinal.template.Env;
import com.jfinal.template.TemplateException;
import com.jfinal.template.io.Writer;
import com.jfinal.template.stat.Scope;

import cn.hg.jbsa.admin.model.JbsaOption;
import cn.hg.jbsa.common.constant.JbsaConstants;
import cn.hutool.core.text.CharSequenceUtil;
import io.jboot.utils.CacheUtil;
import io.jboot.web.directive.annotation.JFinalDirective;

/**
 * @author Golly
 */
@JFinalDirective(SiteDirective.DIRECTIVE_NAME)
public class SiteDirective extends JbsaDirectiveBase {

    public static final String DIRECTIVE_NAME = "site";

    @Override
    public void onRender(Env env, Scope scope, Writer writer) {
        String key = this.getPara(0, scope);

        if (StrKit.isBlank(key)) {
            throw new IllegalArgumentException("#" + DIRECTIVE_NAME + "(...) argument must not be empty");
        }

        Map<String, String> optionMap = CacheUtil.get(JbsaConstants.CACHE_NAME_OPTION, DIRECTIVE_NAME, () -> {
            List<JbsaOption> list = JbsaOption.dao.find("SELECT * FROM jbsa_option WHERE type=?", DIRECTIVE_NAME);
            Map<String, String> map = new HashMap<>();

            for (JbsaOption option : list) {
                map.put(option.getKey(), option.getValue());
            }

            return map;
        }, JbsaConstants.CACHE_LIVE_SECONDS);

        String defaultValue = this.getPara(1, scope, "");
        String value = optionMap.get(key);

        if (CharSequenceUtil.isBlank(value)) {
            value = defaultValue;
        }

        try {
            writer.write(value);
        } catch (IOException e) {
            throw new TemplateException(e.getMessage(), this.location, e);
        }

    }

}
